Halloween Hound Hunt: Clarendon Hills Park District This event occurred in the past.

Families and their four-legged friends follow clues around a mini-scavenger hunt in the Clarendon Hills Park District's Prospect Park at the very first "Halloween Hound Hunt." This event takes place between 11 a.m. and 1 p.m. with advance registration required by Oct. 5. Special orange and black eggs are hidden across the park, with special dog treats inside! Pets and their owners are encouraged to wear costumes on this fun and family friendly day!